关于氙诱导聚变反应合成超重元素 (SHE) Z=119 的研究

IF 1.5 4区 物理与天体物理 Q2 PHYSICS, MULTIDISCIPLINARY Brazilian Journal of Physics Pub Date : 2024-06-18 DOI:10.1007/s13538-024-01490-2
S. Madhu, H. C. Manjunatha, N. Sowmya, Rajesh B. M., L. Seenappa
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引用次数: 0

摘要

我们研究了导致形成 SHE Z=119 的 Xe 引发的聚变反应。在这一观点中,我们考虑了四种射弹,如 \(^{130}\)Xe 、 \(^{132}\)Xe 、 \(^{134}\)Xe 和 \(^{136}\)Xe on \(^{157-159}\)Tb 。为了研究蒸发残余截面,我们总共研究了 12 个聚变过程。利用先进的统计模型,我们评估了复合核形成概率(\(P_{CN}\))、存活概率(\(P_{Sur}\))和蒸发残余截面(\(\sigma _{EVR}\))。最佳能量下的测量值(\(P_{CN}\))随着射弹核质量数的增加而减小。相反,随着射弹质量数的增加,存活的可能性也在增加。对于 \(^{136}\)Xe+\(^{159}\)Tb 核聚变反应,发现 \(P_{Sur}\) 和 \(\sigma _{EVR}\) 的值较高。当考虑到Xe诱导的聚变事件时,预期的横截面在数量级上大于飞秒范围,这将成为合成SHE Z=119的路线图。
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Investigation on Xenon-Induced Fusion Reaction to Synthesize Superheavy Element (SHE) Z=119

We looked at Xe-induced fusion reactions that resulted in the formation of the SHE Z=119. In this view, we considered four projectiles such as \(^{130}\)Xe, \(^{132}\)Xe, \(^{134}\)Xe, and \(^{136}\)Xe on \(^{157-159}\)Tb. For the study of evaporation residue cross-sections, we investigated 12 fusion processes in total. Using an advanced statistical model, we assessed the probability of compound nucleus formation (\(P_{CN}\)), survival probability(\(P_{Sur}\)), and evaporation residue cross-sections (\(\sigma _{EVR}\)). The measured (\(P_{CN}\)) at optimal energy decreases as the mass number of projectile nuclei increases. In contrast, as the projectile-mass number increases, so does the likelihood of survival. For \(^{136}\)Xe+\(^{159}\)Tb fusion reaction, the \(P_{Sur}\) and \(\sigma _{EVR}\) are found higher value. When Xe-induced fusion events were considered, the expected cross-sections, which are in the order larger than femtobarn range, will serve as a roadmap for the synthesis of the SHE Z=119.

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来源期刊
Brazilian Journal of Physics
Brazilian Journal of Physics 物理-物理:综合
CiteScore
2.50
自引率
6.20%
发文量
189
审稿时长
6.0 months
期刊介绍: The Brazilian Journal of Physics is a peer-reviewed international journal published by the Brazilian Physical Society (SBF). The journal publishes new and original research results from all areas of physics, obtained in Brazil and from anywhere else in the world. Contents include theoretical, practical and experimental papers as well as high-quality review papers. Submissions should follow the generally accepted structure for journal articles with basic elements: title, abstract, introduction, results, conclusions, and references.
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